Improved method of constructing- piles for forming- axles



initrd $111193 @anni @imite PERCIVAL ROBERTS, 0F PHILADELPHIA, PENNSYLVANIA Letters Patent No. 91,486, medium 15, 1869. i

IIMPROVED METHOD 'OF CONSTRUCTIN G PILES POR FORMIN G- AXLES, l

The Schedule referred to in these Letters Patent and making part ofthe same.

T0 all 10h-0m 'n mail! @WWW It has been a common practice to form I Be it known that I, PERCIVAL ROBERTS, of Philots of a number of fiat bars of equal width adelphia, Pennsylvania, have invented an Improved ness, the axles or shafts rolled from such Pile o'r Fagot for Rolled Axles and Sha'f'ting; and I do of superior quality; but I have found, that hereby declare the following to be a full, clear, and exact the pile of bars arranged in the manner des description bf the Samen. transverse' strength of the axle or shaft isi My invention consists of a pile, or fagot,(for axles I claim as my invention, and desire to or shafting,) composed of flat bars and layers of square Letters Patentbars arranged alternately, "so that the axles and shafts A pile, or iagot, (for axles and shaiting, rolled from the said pile may have'an increased transof flat bars and layers of square bars, arm verse strength. nately, substantially in the manner and -f I will now proceed'to describe the manner of carrypose herein set forth. ing my invention into eiect, reference being had to In testimony whereof', I have signed n the accompanying drawing, which forms a part of this this specification, in the presence of two specification, and in which the figure represents a witnesses. transverse section of my improved pile, or fagot, the IERCIVAL RO said pile consisting of ilat bars A A A, alternating with layers of square bars B B B. Witnesses:

The pile` thus prepared is rolled to the desired size JOHN WHITE, of: the shaft or axle. HARRY SMITH. 

